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122020211100220 = 22547797517218591
BaseRepresentation
bin11011101111101000001011…
…010101101000101000111100
3121000001000111022101011012221
4123233220023111220220330
5111443134343020201340
61111303151111535124
734462445403204526
oct3357501325505074
9530030438334187
10122020211100220
1135974532118804
121182840198a4a4
1353115c200b534
14221bb49c76a16
15e1905bb9c44a
hex6efa0b568a3c

122020211100220 has 96 divisors (see below), whose sum is σ = 265043464519680. Its totient is φ = 47158445717760.

The previous prime is 122020211100217. The next prime is 122020211100253. The reversal of 122020211100220 is 22001112020221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122020211100194 and 122020211100203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558103125 + ... + 558321715.

It is an arithmetic number, because the mean of its divisors is an integer number (2760869422080).

Almost surely, 2122020211100220 is an apocalyptic number.

122020211100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020211100220 is an abundant number, since it is smaller than the sum of its proper divisors (143023253419460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122020211100220 is a wasteful number, since it uses less digits than its factorization.

122020211100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226243 (or 226241 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122020211100220 its reverse (22001112020221), we get a palindrome (144021323120441).

The spelling of 122020211100220 in words is "one hundred twenty-two trillion, twenty billion, two hundred eleven million, one hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 79 94 158 188 235 316 395 470 790 940 1580 3713 7426 7517 14852 15034 18565 30068 37130 37585 74260 75170 150340 218591 353299 437182 593843 706598 874364 1092955 1187686 1413196 1766495 2185910 2375372 2969215 3532990 4371820 5938430 7065980 10273777 11876860 17268689 20547554 27910621 34537378 41095108 51368885 55821242 69074756 86343445 102737770 111642484 139553105 172686890 205475540 279106210 345373780 558212420 811628383 1623256766 1643148547 3246513532 3286297094 4058141915 6572594188 8116283830 8215742735 16232567660 16431485470 32862970940 77227981709 129808735213 154455963418 259617470426 308911926836 386139908545 519234940852 649043676065 772279817090 1298087352130 1544559634180 2596174704260 6101010555011 12202021110022 24404042220044 30505052775055 61010105550110 122020211100220